First Linux commands in Linux CLI - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to list all files and folders in the current directory.

Linux CLI

ls [1]

Drag options to blanks, or click blank then click option'

A-a

B-l

C-h

D-r

Attempts:

3 left

💡 Hint

Common Mistakes

Using -l shows details but not hidden files.

Using -h is for human-readable sizes, not listing all files.

The ls -a command shows all files, including hidden ones.

2fill in blank

medium

Complete the code to change directory to the user's home folder.

Linux CLI

cd [1]

Drag options to blanks, or click blank then click option'

A~

B/root

C/usr

D/etc

Attempts:

3 left

💡 Hint

Common Mistakes

Using /root goes to root user home, not current user.

Using /usr or /etc goes to system folders, not home.

The tilde ~ represents the current user's home directory.

3fill in blank

hard

Fix the error in the command to create a new directory named 'projects'.

Linux CLI

mkdir [1]

Drag options to blanks, or click blank then click option'

Aproject

Bproject-folder

Cproject folder

Dprojects

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'project' instead of 'projects'.

Using names with spaces without quotes causes errors.

The directory name should be projects exactly as intended. Spaces are not allowed without quotes.

4fill in blank

hard

Fill both blanks to display the first 5 lines of a file named 'notes.txt'.

Linux CLI

head [1] [2] notes.txt

Drag options to blanks, or click blank then click option'

A-n

B5

C10

D-c

Attempts:

3 left

💡 Hint

Common Mistakes

Using -c shows bytes, not lines.

Using 10 shows 10 lines, not 5.

The head -n 5 command shows the first 5 lines of the file.

5fill in blank

hard

Fill all three blanks to copy a file named 'report.txt' to a folder named 'backup' and rename it to 'report_old.txt'.

Linux CLI

cp [1] [2]/[3]

Drag options to blanks, or click blank then click option'

Areport.txt

Bbackup

Creport_old.txt

Dreports

Attempts:

3 left

💡 Hint

Common Mistakes

Using wrong folder name like 'reports'.

Swapping source and destination.

The command copies report.txt into the backup folder and renames it report_old.txt.